There are four main types of flu viruses, A, B, C, and D. They are completely different and only A, B, and C affect humans.

Remember, the only way they can affect you is to get inside of you and into your bloodstream through that epithelial layer of your respiratory tract. Unless, of course, you decide to willingly inject them.

https://expose-news.com/2022/10/06/flu-vaccines-dont-stop-you-from-getting-flu/